Scroll type positive displacement apparatus with tension rods se

Details Scroll type positive displacement apparatus with tension rods se Scroll type positive displacement apparatus with tension rods se

1985-10-15

1986-09-09

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418 57, 403291, F01C 104, F01C 2100, F16D 300

Patent

active

046106111

ABSTRACT:
Axial separation of the scrolls 10, 12 in a positive apparatus of the scroll type is resisted by provision of a elongated, tension rod 44. Hollow shafts 20, 24; 30, 32 coupled to the scrolls 10, 12 receive opposed ends 46, 48 of the rod 44 which are fixedly secured thereto in nonrotatable relation. The rod 44 extends through the interface 14 between the scrolls 10, 12 via apertures 26 and 40 and resists axial separating forces present at the interface 14.

REFERENCES:
patent: 2324168 (1943-07-01), Montelius
patent: 3600114 (1971-08-01), Dvorak et al.
patent: 3817664 (1974-06-01), Bennett et al.
patent: 3918852 (1975-11-01), Carter
patent: 4330029 (1982-05-01), Noll et al.

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